— —, action of, on certain metals, xxxiii, 286.
— —, action of, on iodine, xxi, 376.
— —, fumes, use of, in pulmonary diseases, xxxvi, 191.
— —, eyes of insects reddened by, xxx, 196.
— —, and phosphorus, explosion from, xvi, 366.
— ether, process for, R. Hare, xxxiii, 241.f
Nitrification, theory of, xiv, 385.
[Nitrogen,] abstracted from the atmosphere by organization, geological proofs of, L. Vanuxem, xii, 84.
—, different modes of obtaining, xxviii, 360.
—, apparatus for procuring, R. Hare, xiv, 356f; xxviii, 263.f